List of top Physics Questions on thermal properties of matter asked in Punjab PMET

If $ 70\,cal $ of heat is required to raise the temperature of $2$ mole of an ideal gas at constant pressure from $ 30^{\circ}C $ to $ 35^{\circ}C $ , then the amount of heat required to raise the temperature of same gas through same range at constant volume is

A clock which keeps correct time at $20^{\circ} C$, is subjected to $40^{\circ} C .$ If coefficient of linear expansion of the pendulum is $12 \times 10^{-6} /{ }^{\circ} C$. How much will it gain or lose time ?

A beaker is completely filled with water at $4^{\circ} C$. It will overflow if

$10\, g$ of ice at $0^{\circ}\,C$ is mixed with $100\, g$ of water at $50^{\circ}\,C$. What is the resultant temperature of mixture?

A perfectly black body is one where